a = 5;
b = 2;
c = 99;
f = 5/3;
g = float(f);
a /=2;
d = int(a);
print(a);
print(d);
b +=a;
print(b);
print(g);
c //=2;
print(c);

e = c%2;
print(e);

h = ["a","b","c"];
h.append("ChoviWu");
h.extend(["阿里巴巴","百度","Tencent"]);
print(h);
#foreach
for i in h:
    print(i);